rt9204 ETC-unknow, rt9204 Datasheet - Page 2

• Manufacturer Part Number: rt9204
• Description: Dual Regulator - Standard Buck Pwm Dc-dc And Linear Power Controller
• Manufacturer: ETC-unknow

RT9204
Typical Application Circuit
www.richtek-ic.com.tw
2
V
V
OUT2
OUT2
1.6V
1.6V
220 µ F
220 µ F
V
V
3.3V
3.3V
AUX
AUX
C6
C6
2D1802
+
+
Q1
Q1
100
100
R5
100
100
R5
R4
R4
C7
1 µ F
C5
1 µ F
1
2
3
4
1
2
3
4
GND
VCC
DRV
FBL
GND
VCC
DRV
FBL
Fig.1 RT9204 powered from 5V only
R1
10
Fig.2 RT9204 powered from 12V
RT9204
RT9204
UGATE
UGATE
BOOT
BOOT
Preliminary
SD
FB
SD
FB
120
120
R2
R2
8
7
6
5
8
7
6
5
V
V
2.5V
2.5V
OUT1
10nF
OUT1
10nF
250
C3
250
R3
R3
C7
C5
1 µ F
0.1 µ F
C3
+
+
C4
1000 µ F
C4
1000 µ F
R1
10
5 µ H
5 µ H
L1
L1
12V
D1
MU
D1
MU
DS9204-00 February 2002
C2
1 µ F
C2
1 µ F
+
+
5V
5V
C1
470 µ F
C1
470 µ F